Ukraine’s future decided in Paris and South Korea puts the breaks on field trips 

French president Emmanuel Macron, US secretary of state Marco Rubio and US envoy Steve Witkoff hold talks in Paris over a Ukraine ceasefire. Then: Denmark looks to train troops to Ukraine and Greece strengthens its military with 16 anti-ship missiles from France. Plus: why South Korea is turning its back on school trips. And: we receive a letter from Denver. See omnystudio.com/listener for privacy information.